Please tell us some basic information before asking for help:
Model Name: ROG 3
Firmware Version: 17.0823.2007.32
Rooted or not: NOT
Frequency of Occurrence: IN DAYLIGHT CONDITION
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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In daylight condition black box (don't know if it is fingerprint scanner or something else) visible on screen. And facing black crush and green tint issue.